Google Patches Critical Chrome Zero-Day Exploiting XML Vulnerability

1. What happened

   According to a headline in the provided material, Google has patched a critical Chrome zero-day that exploits an XML vulnerability. The original outlet and full article text were not available, so further details could not be confirmed.

2. When it started

   The publication date and the date of the patch were not included in the provided material.

3. How it spread

   The provided material does not describe how the vulnerability was exploited, which Chrome versions were affected, or whether attacks were confirmed.

4. Why it matters

   A zero-day is a flaw that was exploited before a fix was available, and the headline describes it as critical. Chrome is a widely used browser, so the story may be of interest to many readers, but its scope is not confirmed here.